Nouns

(n)rockeran attendant who rocks a child in a cradle
(n)rocker, rock 'n' roll musiciana performer or composer or fan of rock music
(n)rockera teenager or young adult in the 1960s who wore leather jackets and rode motorcycles
(n)rocking chair, rockera chair mounted on rockers
(n)rocker, cradlea trough that can be rocked back and forth; used by gold miners to shake auriferous earth in water in order to separate the gold
(n)rockeran ice skate with a curved blade
(n)rockera curved support that permits the supported object to rock to and fro